AMD EPYC 7451 | Qualcomm Snapdragon 680 4G | |
CPU comparisonAMD EPYC 7451 or Qualcomm Snapdragon 680 4G - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The AMD EPYC 7451 has 24 cores with 48 threads and clocks with a maximum frequency of 3.20 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7451 was released in Q3/2017. The Qualcomm Snapdragon 680 4G has 8 cores with 8 threads and clocks with a maximum frequency of 2.40 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Qualcomm Snapdragon 680 4G was released in Q1/2022. |
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AMD EPYC (129) | Family | Qualcomm Snapdragon (103) |
AMD EPYC 7001 (12) | CPU group | Qualcomm Snapdragon 680 (2) |
1 | Generation | 6 |
Naples (Zen) | Architecture | Kryo 265 |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | Qualcomm Snapdragon 685 4G |
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CPU Cores and Base FrequencyThe AMD EPYC 7451 has 24 CPU cores and can calculate 48 threads in parallel. The clock frequency of the AMD EPYC 7451 is 2.30 GHz (3.20 GHz) while the Qualcomm Snapdragon 680 4G has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Qualcomm Snapdragon 680 4G is at 2.40 GHz. |
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AMD EPYC 7451 | Characteristic | Qualcomm Snapdragon 680 4G |
24 | Cores | 8 |
48 | Threads | 8 |
normal | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
2.30 GHz (3.20 GHz) | A-Core | 2.40 GHz 4x Kryo 265 Gold |
-- | B-Core | 1.80 GHz 4x Kryo 265 Silver |
NPU AI performanceThe performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. |
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AMD EPYC 7451 | Characteristic | Qualcomm Snapdragon 680 4G |
-- | AI hardware | Qualcomm AI engine |
-- | AI specifications | Hexagon 686 @ 3.3 TOPS |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The AMD EPYC 7451 or Qualcomm Snapdragon 680 4G has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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no iGPU | GPU | Qualcomm Adreno 610 |
GPU frequency | -- | |
-- | GPU (Turbo) | -- |
-- | GPU Generation | 6 |
Technology | 11 nm | |
Max. displays | 0 | |
-- | Compute units | -- |
-- | Shader | 128 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 4 GB |
-- | DirectX Version | 12.1 |
Hardware codec supportA photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos. |
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no iGPU | GPU | Qualcomm Adreno 610 |
No | Codec h265 / HEVC (8 bit) | Decode |
No | Codec h265 / HEVC (10 bit) | Decode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode |
No | Codec VP8 | Decode |
No | Codec AV1 | No |
No | Codec AVC | Decode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD EPYC 7451 can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 170.6 GB/s. The Qualcomm Snapdragon 680 4G supports up to 8 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 34.1 GB/s. |
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AMD EPYC 7451 | Characteristic | Qualcomm Snapdragon 680 4G |
DDR4-2666 | Memory | LPDDR4X-4266 |
Max. Memory | 8 GB | |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
170.6 GB/s | Max. Bandwidth | 34.1 GB/s |
Yes | ECC | No |
-- | L2 Cache | -- |
64.00 MB | L3 Cache | -- |
3.0 | PCIe version | -- |
128 | PCIe lanes | -- |
126.1 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7451 is 180 W, while the Qualcomm Snapdragon 680 4G has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD EPYC 7451 | Characteristic | Qualcomm Snapdragon 680 4G |
180 W | TDP (PL1 / PBP) | -- |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7451 is manufactured in 14 nm and has 64.00 MB cache. The Qualcomm Snapdragon 680 4G is manufactured in 6 nm and has a 0.00 MB cache. |
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AMD EPYC 7451 | Characteristic | Qualcomm Snapdragon 680 4G |
14 nm | Technology | 6 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | -- |
SP3 | Socket | -- |
AMD-V, SVM | Virtualization | None |
Yes | AES-NI | No |
Windows 10, Linux | Operating systems | Android |
Q3/2017 | Release date | Q1/2022 |
2400 $ | Release price | 200 $ |
show more data | show more data | |
AMD EPYC 7451
24C 48T @ 3.20 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD EPYC 7451
24C 48T @ 2.90 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD EPYC 7451
24C 48T @ 2.90 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD EPYC 7451
24C 48T @ 3.20 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD EPYC 7451
24C 48T @ 2.90 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD EPYC 7451
24C 48T @ 3.20 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD EPYC 7451
24C 48T @ 2.90 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD EPYC 7451
@ 0.00 GHz |
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Qualcomm Snapdragon 680 4G
Qualcomm Adreno 610 @ 0.00 GHz |
AMD EPYC 7451
24C 48T @ 2.30 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD EPYC 7451
24C 48T @ 3.20 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD EPYC 7451
24C 48T @ 2.90 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD EPYC 7451
24C 48T @ 2.30 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
Devices using this processor |
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AMD EPYC 7451 | Qualcomm Snapdragon 680 4G |
Unknown | Xiaomi Redmi Note 11 Realme 9i Test |